1870 - November Sea Ice

       1   49.55  -57.93:Nov_23

1870 - December Sea Ice

       1   46.22  -63.13:Dec_5
       1   49.05  -58.27:Dec_20
       1   46.22  -63.13:Dec_23
       1   46.22  -63.13:Dec_29
       1   46.00  -62.75:Dec_30
       0   45.82  -63.45
       1   46.07  -62.98:Dec_30

1871 - January Sea Ice

       1   45.87  -62.75:Jan_12

1871 - February Sea Ice

       1   49.08  -58.42:Feb_12
       1   46.22  -63.13:Feb_18
       1   46.01  -61.60:Feb_21
       1   47.60  -57.62:Feb_23
       1   43.68  -65.33:Feb_25
       1   49.55  -57.93:Feb_27

1871 - March Sea Ice

       1   46.13  -63.08:Mar_16
       1   46.27  -64.50:Mar_(23)
       1   46.22  -63.13:Mar_25

1871 - April Sea Ice

       1   49.55  -57.93:Apr_1
       1   47.83  -61.15:Apr_17
       1   45.62  -61.37:Apr_22
       1   45.42  -61.25:Apr_24

1871 - May Sea Ice

       1   49.05  -58.27:May_5
       1   46.42  -63.03:May_11
       1   46.42  -63.23:May_11